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/*
* This file is part of the ICanBoogie package.
*
* (c) Olivier Laviale <olivier.laviale@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace ICanBoogie\Storage;
/**
* A collection of {@link Cache} instances.
*
* @package ICanBoogie\Storage
*/
class CacheCollection implements Cache
{
/**
* @var Cache[]
*/
protected $collection = [];
public function __construct(array $collection)
{
$this->collection = $collection;
}
/**
* @inheritdoc
*/
public function exists($key)
{
foreach ($this->collection as $storage)
{
if ($storage->exists($key))
{
return true;
}
}
return false;
}
/**
* @inheritdoc
*/
public function retrieve($key)
{
foreach ($this->collection as $storage)
{
if ($storage->exists($key))
{
return $storage->retrieve($key);
}
}
return null;
}
}